TY - RPRT TI - Focus areas for data acquisition for potential domestic resources of 13 critical minerals in the conterminous United States and Puerto Rico — Antimony, barite, beryllium, chromium, fluorspar, hafnium, helium, magnesium, manganese, potash, uranium, vanadium, and zirconium AU - Jane M. Hammarstrom AU - Connie L. Dicken AU - Laurel G. Woodruff AU - Allen K. Andersen AU - Sean T. Brennan AU - Warren C. Day AU - Benjamin J. Drenth AU - Nora K. Foley AU - Susan Hall AU - Albert H. Hofstra AU - Anne E. McCafferty AU - Anjana K. Shah AU - David A. Ponce PY - 2022 DO - 10.3133/ofr20191023d UR - https://pubs.usgs.gov/publication/ofr20191023D ID - ofr20191023D ER -